ppp: noauth server option (import from sources)
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cinap_lenrek
parent
36adf27af8
commit
37a93ef857
2 changed files with 47 additions and 37 deletions
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@ -4,7 +4,7 @@ ppp, pppoe, pptp, pptpd \- point-to-point protocol
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.SH SYNOPSIS
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.B ip/ppp
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[
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.B -CPScdfu
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.B -CPSacdfu
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] [
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.B -b
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.I baud
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@ -112,11 +112,21 @@ This is useful if a program wants to use
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in a communications stream. However, the normal mode is to
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specify a communications device, usually a serial line with a modem.
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.PP
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PPP supports the following options:
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.I Ppp
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supports the following options:
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.TP 3
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.B a
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as server, don't request authentication from the client
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.TP
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.B b
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set the baud rate on the communications device
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.TP
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.B c
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disallow packet compression
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.TP
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.B C
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disallow IP header compression
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.TP
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.B f
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make PPP add HDLC framing. This is necessary when using
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PPP over a serial line or a TCP connection
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@ -133,6 +143,11 @@ for authentication; the default key pattern is
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.B m
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set the maximum transfer unit (default 1450)
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.TP
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.B M
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chat with the modem as specified in the chat file. Each line in
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the chat file contains a string that is transmitted to the modem
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and the response expected (e.g. 'AT' 'OK')
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.TP
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.B P
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use this as the primary IP interface; set the default
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route through this interface and write its configuration
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@ -144,6 +159,14 @@ communicate over
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.I dev
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instead of standard I/O
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.TP
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.B S
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run as a server
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.TP
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.B t
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before starting the PPP protocol, write
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.I modemcmd
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to the device
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.TP
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.B u
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before starting the PPP protocol with the remote end, shuttle
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bytes between the device and standard I/O until an EOF on standard
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@ -153,28 +176,9 @@ and then type commands at a modem before
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.I ppp
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takes over
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.TP
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.B S
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run as a server
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.TP
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.B t
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before starting the PPP protocol, write
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.I modemcmd
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to the device
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.TP
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.B x
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use the IP stack mounted at
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.I netmntpt
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.TP
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.B M
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chat with the modem as specified in the chat file. Each line in
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the chat file contains a string that is transmitted to the modem
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and the response expected (e.g. 'AT' 'OK')
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.TP
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.B c
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disallow packet compression
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.TP
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.B C
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disallow ip header compression
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.PD
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.PP
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If both the
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@ -196,25 +200,25 @@ the ethernet device mounted at
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(default
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.BR /net/ether0 ).
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The
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.I pppoe -specific
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.IR pppoe -specific
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options are:
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.TP
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.TP 3
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.B A
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insist on an access concentrator named
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.I acname
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during PPPoE discovery
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.TP
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.B S
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insist on a service named
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.I srvname
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during PPPoE discovery
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.TP
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.B d
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write debugging output to standard error,
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and pass
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.B -d
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to
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.I ppp
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.TP
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.B S
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insist on a service named
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.I srvname
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during PPPoE discovery
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.PD
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.PP
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The other options are relayed to
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@ -245,10 +249,15 @@ The TCP connection is used to control the tunnel while
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packets are sent back and forth using PPP inside of
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GRE packets.
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The options are:
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.TP
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.TP 3
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.B d
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write debugging output to standard error.
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.TP
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.B D
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drop
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.I fraction
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of the received packets. This is used for testing.
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.TP
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.B p
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use the IP stack mounted at
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.I pppnetmtpt
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@ -257,11 +266,6 @@ to terminate the PPP connection.
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.B w
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set the receive window to
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.IR window .
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.TP
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.B D
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drop
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.I fraction
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of the received packets. This is used for testing.
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.PD
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.SH SOURCE
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.B /sys/src/cmd/ip/ppp
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@ -17,6 +17,7 @@ static int nocompress;
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static int pppframing = 1;
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static int noipcompress;
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static int server;
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static int noauth;
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static int nip; /* number of ip interfaces */
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static int dying; /* flag to signal to all threads its time to go */
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static int primary; /* this is the primary IP interface */
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@ -332,7 +333,7 @@ newstate(PPP *ppp, Pstate *p, int state)
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if(p->proto == Plcp) {
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if(state == Sopened)
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setphase(ppp, Pauth);
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setphase(ppp, noauth? Pnet : Pauth);
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else if(state == Sclosed)
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setphase(ppp, Pdead);
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else if(p->state == Sopened)
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@ -355,7 +356,7 @@ newstate(PPP *ppp, Pstate *p, int state)
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}
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if(p->proto == Pipcp && state == Sopened) {
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if(server && ppp->chap->state != Cauthok)
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if(server && !noauth && ppp->chap->state != Cauthok)
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abort();
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err = ipopen(ppp);
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@ -2658,7 +2659,9 @@ int interactive;
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void
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usage(void)
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{
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fprint(2, "usage: ppp [-cCdfPSu] [-b baud] [-k keyspec] [-m mtu] [-p dev] [-s username] [-x netmntpt] [-t modemcmd] [local-addr [remote-addr]]\n");
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fprint(2, "usage: ppp [-CPSacdfu] [-b baud] [-k keyspec] [-m mtu] "
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"[-M chatfile] [-p dev] [-x netmntpt] [-t modemcmd] "
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"[local-addr [remote-addr]]\n");
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exits("usage");
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}
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@ -2691,6 +2694,9 @@ main(int argc, char **argv)
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modemcmd = nil;
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ARGBEGIN{
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case 'a':
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noauth = 1;
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break;
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case 'b':
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baud = atoi(EARGF(usage()));
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if(baud < 0)
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